potassium balance

例句：

1. 1. The doctor prescribed a potassium balance supplement for her.
   医生给她开了一种钾平衡补充剂。
2. 2. Maintaining a balanced diet is essential for maintaining good health.
   保持均衡饮食对保持健康至关重要。
3. 3. The patient's potassium balance was restored after the treatment.
   治疗后，患者的钾平衡得到了恢复。